//
//  DataBaseSingleton.h
//  豆瓣YHY
//
//  Created by dllo on 15/11/3.
//  Copyright © 2015年 蓝鸥科技. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "Activitylist.h"
@interface DataBaseSingleton : NSObject
+ (instancetype)shareDataBase;
- (void)openDB;
- (void)creatTable;
- (void)selectActivity;
- (void)insertStudent:(Activitylist *)activity;
@property (nonatomic,retain)NSMutableArray *array;
@end
